*{
    padding:0px;
    margin:0px;

}
#navegacion{
    margin:auto;
    width:900px;
    font-family:Arial, Helvetica, sans-serif;
    font-size:10px;
}
ul,ol{
    list-style:none;
}
#menuhorizontal a{
    background-color:brown;
    color:#FFFFFF;
    text-decoration:none;
    padding: 12px 14px;
    display:block;
}

#menuhorizontal a:hover{
    background-color:#CCCCCC;
}

#menuhorizontal > li{
    float:left;
}
#menuhorizontal li ul{
    display:none;
    position:absolute;
    width:140px;
}

#menuhorizontal li:hover>ul{
    display:block;
}
